[INFO] fetching crate using-queue 0.1.0...
[INFO] testing using-queue-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate using-queue 0.1.0 into /workspace/builds/worker-70/source
[INFO] validating manifest of crates.io crate using-queue 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate using-queue 0.1.0
[INFO] finished tweaking crates.io crate using-queue 0.1.0
[INFO] tweaked toml for crates.io crate using-queue 0.1.0 written to /workspace/builds/worker-70/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 302045893b2f5f29c7fe96e5825d1dae0429b8f5b4a32999940ea54c81178bb2
[INFO] running `Command { std: "docker" "start" "-a" "302045893b2f5f29c7fe96e5825d1dae0429b8f5b4a32999940ea54c81178bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "302045893b2f5f29c7fe96e5825d1dae0429b8f5b4a32999940ea54c81178bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "302045893b2f5f29c7fe96e5825d1dae0429b8f5b4a32999940ea54c81178bb2", kill_on_drop: false }`
[INFO] [stdout] 302045893b2f5f29c7fe96e5825d1dae0429b8f5b4a32999940ea54c81178bb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 092497040ea73c51fddd74838c4bc99313a392f760daea2752b2d997f5baac85
[INFO] running `Command { std: "docker" "start" "-a" "092497040ea73c51fddd74838c4bc99313a392f760daea2752b2d997f5baac85", kill_on_drop: false }`
[INFO] [stderr]    Compiling using-queue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "092497040ea73c51fddd74838c4bc99313a392f760daea2752b2d997f5baac85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "092497040ea73c51fddd74838c4bc99313a392f760daea2752b2d997f5baac85", kill_on_drop: false }`
[INFO] [stdout] 092497040ea73c51fddd74838c4bc99313a392f760daea2752b2d997f5baac85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93253223cc9c4de1ea490e2f4bbd85abc4e3c63d6feacba282a038f46a8e0dac
[INFO] running `Command { std: "docker" "start" "-a" "93253223cc9c4de1ea490e2f4bbd85abc4e3c63d6feacba282a038f46a8e0dac", kill_on_drop: false }`
[INFO] [stderr]    Compiling using-queue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "93253223cc9c4de1ea490e2f4bbd85abc4e3c63d6feacba282a038f46a8e0dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93253223cc9c4de1ea490e2f4bbd85abc4e3c63d6feacba282a038f46a8e0dac", kill_on_drop: false }`
[INFO] [stdout] 93253223cc9c4de1ea490e2f4bbd85abc4e3c63d6feacba282a038f46a8e0dac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9efc495310600161941c37fe6dbb7e6f083aabfe97918e2e12a8d12b9655632e
[INFO] running `Command { std: "docker" "start" "-a" "9efc495310600161941c37fe6dbb7e6f083aabfe97918e2e12a8d12b9655632e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/using_queue-7274ae9aa1db18b2)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test should_find_when_others_used ... ok
[INFO] [stdout] test should_have_same_semantics_for_get_take_clone ... ok
[INFO] [stdout] test should_not_find_when_not_used_and_then_pushed ... ok
[INFO] [stdout] test should_not_find_when_not_used_peeked_and_then_pushed ... ok
[INFO] [stdout] test should_inspect_correctly ... ok
[INFO] [stdout] test should_find_again_when_pushed_and_cloned ... ok
[INFO] [stdout] test should_not_find_again_when_pushed_and_taken ... ok
[INFO] [stdout] test should_find_when_pushed_and_used ... ok
[INFO] [stdout] test should_not_find_when_too_many_used ... ok
[INFO] [stdout] test should_not_remove_used_popped ... ok
[INFO] [stdout] test should_find_when_pushed_and_used_with_clone ... ok
[INFO] [stdout] test should_peek_correctly_after_push ... ok
[INFO] [stdout] test should_pop_used ... ok
[INFO] [stdout] test should_not_pop_unused_before_used ... ok
[INFO] [stdout] test should_not_find_when_pushed_with_clone ... ok
[INFO] [stdout] test should_not_pop_last_pending ... ok
[INFO] [stdout] test should_not_find_when_pushed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests using-queue
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9efc495310600161941c37fe6dbb7e6f083aabfe97918e2e12a8d12b9655632e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9efc495310600161941c37fe6dbb7e6f083aabfe97918e2e12a8d12b9655632e", kill_on_drop: false }`
[INFO] [stdout] 9efc495310600161941c37fe6dbb7e6f083aabfe97918e2e12a8d12b9655632e